== sanity test 124b: lru resize (performance test) ================================================================================= 03:52:06 (1790668326)
ldlm.namespaces.*mdc*.lru_size=0->400
ldlm.namespaces.*mdc*.lru_max_age=600000->3900s
 - open/close 784 (time 1790668341.99 total 10.00 last 78.39)
 - open/close 1491 (time 1790668352.00 total 20.00 last 70.68)
 - open/close 2297 (time 1790668362.01 total 30.01 last 80.54)
 - open/close 3026 (time 1790668372.01 total 40.01 last 72.89)
 - open/close 3809 (time 1790668382.01 total 50.02 last 78.24)
 - open/close 4550 (time 1790668392.02 total 60.03 last 74.06)
 - open/close 5349 (time 1790668402.02 total 70.03 last 79.87)
 - open/close 6132 (time 1790668412.03 total 80.04 last 78.24)
 - open/close 6806 (time 1790668422.04 total 90.04 last 67.35)
 - open/close 7460 (time 1790668432.04 total 100.04 last 65.40)
total: 8000 open/close in 108.91 seconds: 73.46 ops/second
doing ls -la /mnt/lustre/d124b.sanity/disable_lru_resize 3 times
ls -la time: 169 seconds
lru_size = 400
 - unlinked 0 (time 1790668621 ; total 0 ; last 0)
total: 8000 unlinks in 113 seconds: 70.796463 unlinks/second
 - open/close 666 (time 1790668750.10 total 10.01 last 66.55)
 - open/close 1288 (time 1790668760.12 total 20.02 last 62.12)
 - open/close 1928 (time 1790668770.12 total 30.03 last 63.98)
 - open/close 2547 (time 1790668780.12 total 40.03 last 61.88)
 - open/close 3316 (time 1790668790.15 total 50.05 last 76.71)
 - open/close 4017 (time 1790668800.16 total 60.07 last 70.00)
 - open/close 4782 (time 1790668810.16 total 70.07 last 76.50)
 - open/close 5570 (time 1790668820.16 total 80.07 last 78.79)
 - open/close 6323 (time 1790668830.17 total 90.07 last 75.26)
 - open/close 7131 (time 1790668840.17 total 100.07 last 80.78)
 - open/close 7913 (time 1790668850.18 total 110.09 last 78.11)
total: 8000 open/close in 111.33 seconds: 71.86 ops/second
doing ls -la /mnt/lustre/d124b.sanity/enable_lru_resize 3 times
ls -la time: 90 seconds
lru_size = 8005
ls -la is 46% faster with lru resize enabled
 - unlinked 0 (time 1790668966 ; total 0 ; last 0)
total: 8000 unlinks in 82 seconds: 97.560974 unlinks/second